For a long time people believed that the main source of love in the human body - the heart. This is not surprising, since the state of love that body reacts very rapidly - more frequent contractions. But not so long ago, scientists discovered that the brain responds to the most wonderful feeling in the world no less intense.
The group of neuroscientists at Syracuse University under the direction of Stephanie Ortizhu investigated the processes occurring in the human brain when it is in a state of love. Scientists have discovered that love is not only a sense of euphoria that was known before, but also can affect the mental abilities of people.
Generally, the love starts in the brain sets a very complex chemical and biological processes. By the way, the euphoria is one of them - it is the result of the fact that 'thinks body ' Valentine synthesized a large amount of endorphins (proteins that cause a feeling of satisfaction ). However, if you love the neurons of the brain is synthesized not only them - also increases the production of noradrenaline, dopamine, oxytocin and vasopressin.
The first two compounds are neurotransmitters ( substances that provide the transmission of nerve impulses from one cell to another ), working in the cortex of the brain that are responsible for the analysis of information from around the world. In particular, visual and auditory.
Perhaps this is why all the colors seem more vivid in love and rich, and the outlines of objects, on the contrary, vague and fuzzy - a consequence of an overabundance of norepinephrine. Dopamine also leads to an exacerbation of auditory sensations - it is not surprising that a man in love can be, figuratively speaking, to hear even the ' sound of growing grass '.
Increased concentration of these two substances in the brain makes more attentive lover - he begins to see and hear what had not noticed before. Not surprisingly, if the ' sacrifice of love ' is a scientist, then chances are that, being in love, he will make a great discovery, incredibly increases. But here's how to interpret it is unlikely to be able to - centers responsible for logical thinking, it will be in a few depressed, because it does not cope with the huge flow of information coming to the ' processing '.
In general, the idea of love at the time of the entire nervous system works in a few extreme mode - too much information overload attacks the nerve cells. However, the ' failure ' and ' failures ' in the rate practically does not occur due to the fact that, as a group Ortizhu found in okolomozgovye fluids increases the concentration of protein NGF, or as scientists call it, nerve growth factor.
This protein is encoded by a human specific gene in the first pair of chromosomes. It stimulates the growth and development of nerve cells and is involved in the reconstruction of damaged neural structures of various. That is why love and can withstand considerable nervous strain - NGF, if necessary, and ' breakdown ' fix and save the overload.
Studies have shown that the greatest release of all brain substances are those couples who fell for the first time. Follow Love is doing the body more resistant to this ' disease '. The number of NGF with those who are ' second ' and ' third ' love, and falls.
In addition, scientists have found that different types of love, cause increased activity of different parts of the brain. For example, the love of mother and child ' hurt ' mainly the midbrain and the surrounding area to him of the cerebral cortex. But love is essentially the opposite sex are most affected by the visual centers of the forebrain - probably saying ' Men are like eyes ' really is science- based.
As for the heart, it ' fibrillation ' in love, as it turned out, also controlled by the work of the relevant parts of the brain. And blame it already mentioned noradrenaline, though for a company with oxytocin and vasopressin - it is their excess and causes a rapid rhythm of the organ. So it seems that people really like to first of all head and not heart.
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Wednesday, June 6, 2012
Love is not in the heart
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